Adjustable spring hinge



FIG. 1 is a right rear perspective view of the adjustable spring hinge.

FIG. 2 is a left front perspective view of the adjustable spring hinge.

FIG. 3 is a left rear perspective view of the adjustable spring hinge.

FIG. 4 is a right front perspective view of the adjustable spring hinge.

FIG. 5 is a top view of the adjustable spring hinge.

FIG. 6 is a bottom view of the adjustable spring hinge.

FIG. 7 is a right view of the adjustable spring hinge.

FIG. 8 is a left view of the adjustable hinge.

FIG. 9 is a rear view of the adjustable hinge; and,

FIG. 10 is a front view of the adjustable hinge. 

CLAIM I claim the ornamental design for an adjustable spring hinge, as shown and described. 